{
  "manageEntity": {
    "action": "Create",
    "entityId": "272773319",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":272773319,\"description\":\"\",\"playlist_name\":\"New playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x11128e8d795b33b03f44de934e4706d38d2f5787607eb2db482e593f2e2494c9",
    "signature": "0xab55f48f7576e2e5a2071e55a04966d31d128f80f305d5f19998bbe890f9a30147ceabb2e34cfa40e8d99d397fa0e42258f130168a87701abc4975b897da4ed41c",
    "signer": "0xe4971Ec969214D6A519b3F1E67F4A41cDA926862",
    "userId": "321696490"
  }
}